[IMPALA-7237] Parsing bug in ParseSMaps()

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.10.0, Impala 2.11.0, Impala 3.0, Impala 2.12.0
• Fix Version/s: Impala 2.13.0, Impala 3.1.0
• Component/s: Backend
• Labels: resource-management
• Target Version: Impala 3.1.0
• Epic Color: ghx-label-1
• Assignee: Tim Armstrong
• Reporter: Tim Armstrong
• Created: 03/Jul/18 00:02
• Updated: 07/Mar/19 03:09
• Resolved: 04/Jul/18 01:39

Description

The code uses isdigit() but lower-case a-f (i.e. hex digits) can also be present.

    if (isdigit(line[0])) {
      // Line is the start of a new mapping, of form:
      // 561ceff9c000-561ceffa1000 rw-p 00000000 00:00 0
      ++result.num_maps;
      continue;
    }